It has a skin not a typical fish scales . Usually it's dark grey to light grey or white. Size range from 18 cm long to 15 m.

Carnivorous sharks: fish, squid,

sea turtles, dolphins, seals,

sea lions, seabirds.

Planktivores: plankton

Behaviour: swim and hunt alone

Most of ocean habitats from tropical coral reefs to deep sea and ice cold waters

Coconuts are more dangerous than sharks

They are silent because they don't have vocal cords

They can swim backwards bull sharks

Can be spotted in freshwater

Sharks can lose 30.000 teeth during life time. Teeth never stop growing.